Beginigs of more generic rules def for GOKb.
Added row levels checks.
Big changes made to validation code and introduced several Interfaces for rule class definition.
Added 2 validation rules.
Added facet to quick resolve menu for "invalid-data" types.
Reworked a little. Validation now defined in config.
Latest changes and added match rule for regex matching.
2 images for errors and warnings.
Separated warnings and errors in refine.
Added has duplicates rule to validation.
Merge branch 'refs/heads/dev' into feature-validation_improvements
Regex validation added to check fomrats.
URI, ISBNs and (E)ISSNs all added.
Reworking of rules a little.
Quick pass at adding validation for project.
Merge branch 'refs/heads/dev' into feature-validation_improvements
Fixed issue in the regex.
Merge branch 'refs/heads/dev' into feature-validation_improvements
Merge branch 'refs/heads/feature-validation_improvements' into dev